Foot chair



FIG. 1 is a top plan view of the design of a foot chair,

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof; a rear elevational view is identical to the front elevational view;

FIG. 4 is a right side elevational view thereof; a left side elevational view is identical to the right side elevational view; and,

FIG. 5 is a perspective view thereof. 

The ornamental design for a foot chair, as shown and described. 